Group name must be a valid unicode string containing only ASCII alphanumerics, hyphens, or periods.

[sirb0rab0g1]

[brhx]

This is part of the conf.namespace that gets passed directly to the socket.io-client package.

vue-websocket/src/index.js

Lines 18 to 21 in 4a7e513

	let conf = this.$options.socket;
	if (conf.namespace) {
	this.$socket = IO(conf.namespace, conf.options);
	}

I'll update and test the latest version, but ultimately I'm not entirely sure what your issue is @sirb0rab0g1. Is this an error message you're getting? Are you providing a group name that conforms to the above specification but are still receiving the error?